Sienna Miller Biography
Sienna Miller is a celebrated American‑British actress, model, and fashion designer. She was born in New York City on December 28, 1981, and moved to London as a toddler. Early on, she trained at the Lee Strasberg Theatre & Film Institute before pursuing her career.
Miller first worked as a model and quickly transitioned into acting. She gained early notice with roles in Layer Cake and Alfie in 2004. Later, she earned praise for playing Edie Sedgwick in Factory Girl (2006). Over time, she appeared in a mix of blockbusters and indie films, including American Sniper and The Lost City of Z.
Television also boosted her reputation with standout work in series like Anatomy of a Scandal. In 2025, she starred in the legal drama War on Sky and HBO, showing her continued growth as an actress. Beyond screen work, Sienna co‑founded the fashion label Twenty8Twelve with her sister.
She remains a style icon known for her boho‑chic fashion and elegant red‑carpet presence. Today, she actively balances her acting career with family life, fashion projects, and public engagements.
Sienna Miller Age
How old is Sienna Miller?
Sienna Miller was born on December 28, 1981, making her 44 years old in 2026.. Fans admire her youthful energy, elegant style, and dynamic performances. Her age often trends in searches as people look for updated celebrity biography details and career milestones.
Sienna Miller Height
How tall is Sienna Miller?
Sienna Miller stands approximately 5 feet 5 inches (165 cm) tall. Her height complements her slender figure and enhances her on-screen presence. Fans often note her elegance on the red carpet, where her balanced build and poise amplify both fashion and performance aesthetics.
Sienna Miller Husband / Relationship
Sienna Miller is not married. She is in a committed relationship with actor‑model Oli Green, whom she began dating publicly in early 2022. The couple share a daughter born in late 2023, and Sienna announced in December 2025 that she is expecting another child. Previously, Miller dated actors such as Jude Law and Tom Sturridge, sharing her eldest daughter, Marlowe, with Sturridge. Today, she balances motherhood, her acting career, and fashion ventures while maintaining a strong public presence alongside Oli Green.
Sienna Miller Children | Daughter
Who is the father of Sienna Miller’s Children?
Sienna Miller has three children as of 2026. Her first daughter, Marlowe, was born in 2012 with actor Tom Sturridge. She welcomed her second daughter with partner Oli Green in late 2023. At the 2025 Fashion Awards, Sienna revealed her third pregnancy, exciting fans worldwide. She often shares glimpses of her family life while continuing her acting career and fashion projects. Her journey as a mother, especially balancing family with professional commitments, resonates with her audience and keeps her a relatable public figure in entertainment.
Sienna Miller’s Parents
Sienna Miller’s parents influenced her artistic and fashion sensibilities. Her mother, Josephine “Jo” Miller, worked as a model and later managed the Lee Strasberg Theatre & Film Institute, inspiring Sienna’s early interest in acting. Her father, Edwin “Ed” Miller, was initially a banker and later became a modern Chinese art dealer. Sienna moved from New York to London when she was 18 months old. After her parents’ divorce when she was six, she mainly lived with her mother. Their creative careers shaped her love for the arts, acting, and style, guiding her future choices in entertainment and fashion.
Sienna Miller’s Movies & TV Shows (100 words)
Sienna Miller has a diverse acting portfolio. She gained attention with Layer Cake and Alfie in 2004 and later starred in Factory Girl and Stardust. Sienna Miller Movies & TV Shows
Movies
- Layer Cake (2004)
- Alfie (2004)
- Factory Girl (2006)
- Stardust (2007)
- The Edge of Love (2008)
- G.I. Joe: The Rise of Cobra (2009)
- American Sniper (2014)
- The Lost City of Z (2016)
- Wander Darkly (2020)
TV Shows / Miniseries
War (2025)
The Girl (2012)
The Loudest Voice (2019)
Anatomy of a Scandal (2022)
Sienna Miller & Jude Law
Sienna Miller and Jude Law met while filming Alfie in 2003. They became engaged in December 2004, attracting major media attention. Their relationship ended in 2005 due to personal challenges, although they briefly reunited later. Ultimately, they parted permanently in 2011. Despite the breakup, Miller described the experience as formative, shaping her resilience. Their relationship remains one of the most talked-about celebrity romances of the 2000s and is often referenced in discussions about high-profile Hollywood couples.
Sienna Miller Pregnant 2025
In December 2025, Sienna Miller revealed her third pregnancy at the Fashion Awards, showing her baby bump on the red carpet. This will be her second child with Oli Green. Miller and Green already share a daughter born in late 2023. She also has an older daughter from a previous relationship. Sienna has openly discussed fertility, including freezing her eggs, highlighting challenges of motherhood later in life. She continues to balance family life, acting projects, and fashion endeavors, inspiring fans with her candid approach to parenthood and professional ambition.
Sienna Miller’s Hair
Sienna Miller’s hairstyles reflect her bohemian-chic aesthetic. She often wears golden-blonde waves that frame her face, while occasionally opting for darker shades or a sleek bob. Her hair combines natural texture with modern styling for a versatile, effortless look. Her styles range from loose waves to polished finishes, inspiring fans and fashion enthusiasts worldwide. Miller balances trendiness with personal expression, showing that her hair choices complement both casual appearances and red-carpet glamour. Her looks are widely regarded as both timeless and influential in contemporary beauty and fashion circles.
Sienna Miller & Balthazar Getty
Sienna Miller dated Balthazar Getty between 2008 and 2009. Their relationship attracted media attention because Getty was married at the time. They appeared publicly, including vacation photos, which sparked widespread interest. Eventually, Miller ended the relationship and reaffirmed her single status. Getty later referred to it as “ancient history,” saying it helped him focus on his family. Though controversial, this chapter remains a notable part of Miller’s personal life. Fans often reference it when discussing her dating history, reflecting on the challenges she faced while maintaining her public image.
Sienna Miller & G.I. Joe: The Rise of Cobra
In G.I. Joe: The Rise of Cobra (2009), Sienna Miller portrayed The Baroness, a skilled villain. She trained in boxing and weapons for months to prepare. The role required a complete transformation, including dark hair and a leather costume. The film achieved global success and showcased Miller’s range beyond dramatic roles. Although she later expressed mixed feelings about the film’s tone, G.I. Joe remains one of her most recognized roles and highlights her versatility as an actress willing to take on action-packed and physically demanding performances.
Sienna Miller Net Worth
As of 2026, Sienna Miller’s net worth is approximately $18 million. Her earnings come from acting, modeling, fashion design, endorsements, and public appearances. Her diversified income streams make her one of the most financially successful British-American actresses, reflecting her talent, style influence, and business acumen.
